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Kanai A, Osawa S, Suzuki A, Ozawa A, Okamoto H, Hoka S. Regression of sensory and motor blockade, and analgesia during continuous epidural infusion of ropivacaine and fentanyl in comparison with other local anesthetics. Pain Med. 2007 Oct;8(7):546–53. doi: 10.1111/j.1526-4637.2006.00174.x. PMID: 17883739. |